64680304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2087}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 135928800

約数和(自身を除く): 71248496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 1192, 1937, 2087, 2384, 3874, 4174, 7748, 8348, 15496, 16696, 27131, 30992, 33392, 54262, 108524, 217048, 310963, 434096, 621926, 1243852, 2487704, 4042519, 4975408, 8085038, 16170076, 32340152, 64680304]

約数ペア:

[(1, 64680304), (2, 32340152), (4, 16170076), (8, 8085038), (13, 4975408), (16, 4042519), (26, 2487704), (52, 1243852), (104, 621926), (149, 434096), (208, 310963), (298, 217048), (596, 108524), (1192, 54262), (1937, 33392), (2087, 30992), (2384, 27131), (3874, 16696), (4174, 15496), (7748, 8348)]